SabrehavenServer/src/cylinder.h
2019-09-16 20:38:16 +03:00

251 lines
9.2 KiB
C++

/**
* Tibia GIMUD Server - a free and open-source MMORPG server emulator
* Copyright (C) 2019 Sabrehaven and Mark Samman <mark.samman@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef FS_CYLINDER_H_54BBCEB2A5B7415DAD837E4D58115150
#define FS_CYLINDER_H_54BBCEB2A5B7415DAD837E4D58115150
#include "enums.h"
#include "thing.h"
class Item;
class Creature;
static constexpr int32_t INDEX_WHEREEVER = -1;
enum cylinderflags_t {
FLAG_NOLIMIT = 1 << 0, //Bypass limits like capacity/container limits, blocking items/creatures etc.
FLAG_IGNOREBLOCKITEM = 1 << 1, //Bypass movable blocking item checks
FLAG_IGNOREBLOCKCREATURE = 1 << 2, //Bypass creature checks
FLAG_CHILDISOWNER = 1 << 3, //Used by containers to query capacity of the carrier (player)
FLAG_PATHFINDING = 1 << 4, //An additional check is done for floor changing/teleport items
FLAG_IGNOREFIELDDAMAGE = 1 << 5, //Bypass field damage checks
FLAG_IGNORENOTMOVEABLE = 1 << 6, //Bypass check for mobility
FLAG_IGNOREAUTOSTACK = 1 << 7, //queryDestination will not try to stack items together
FLAG_PLACECHECK = 1 << 8, //Special check for placing the monster
};
enum cylinderlink_t {
LINK_OWNER,
LINK_PARENT,
LINK_TOPPARENT,
LINK_NEAR,
};
class Cylinder : virtual public Thing
{
public:
/**
* Query if the cylinder can add an object
* \param index points to the destination index (inventory slot/container position)
* -1 is a internal value and means add to a empty position, with no destItem
* \param thing the object to move/add
* \param count is the amount that we want to move/add
* \param flags if FLAG_CHILDISOWNER if set the query is from a child-cylinder (check cap etc.)
* if FLAG_NOLIMIT is set blocking items/container limits is ignored
* \param actor the creature trying to add the thing
* \returns ReturnValue holds the return value
*/
virtual ReturnValue queryAdd(int32_t index, const Thing& thing, uint32_t count,
uint32_t flags, Creature* actor = nullptr) const = 0;
/**
* Query the cylinder how much it can accept
* \param index points to the destination index (inventory slot/container position)
* -1 is a internal value and means add to a empty position, with no destItem
* \param thing the object to move/add
* \param count is the amount that we want to move/add
* \param maxQueryCount is the max amount that the cylinder can accept
* \param flags optional flags to modify the default behaviour
* \returns ReturnValue holds the return value
*/
virtual ReturnValue queryMaxCount(int32_t index, const Thing& thing, uint32_t count, uint32_t& maxQueryCount,
uint32_t flags) const = 0;
/**
* Query if the cylinder can remove an object
* \param thing the object to move/remove
* \param count is the amount that we want to remove
* \param flags optional flags to modify the default behaviour
* \returns ReturnValue holds the return value
*/
virtual ReturnValue queryRemove(const Thing& thing, uint32_t count, uint32_t flags) const = 0;
/**
* Query the destination cylinder
* \param index points to the destination index (inventory slot/container position),
* -1 is a internal value and means add to a empty position, with no destItem
* this method can change the index to point to the new cylinder index
* \param destItem is the destination object
* \param flags optional flags to modify the default behaviour
* this method can modify the flags
* \returns Cylinder returns the destination cylinder
*/
virtual Cylinder* queryDestination(int32_t& index, const Thing& thing, Item** destItem,
uint32_t& flags) = 0;
/**
* Add the object to the cylinder
* \param thing is the object to add
*/
virtual void addThing(Thing* thing) = 0;
/**
* Add the object to the cylinder
* \param index points to the destination index (inventory slot/container position)
* \param thing is the object to add
*/
virtual void addThing(int32_t index, Thing* thing) = 0;
/**
* Update the item count or type for an object
* \param thing is the object to update
* \param itemId is the new item id
* \param count is the new count value
*/
virtual void updateThing(Thing* thing, uint16_t itemId, uint32_t count) = 0;
/**
* Replace an object with a new
* \param index is the position to change (inventory slot/container position)
* \param thing is the object to update
*/
virtual void replaceThing(uint32_t index, Thing* thing) = 0;
/**
* Remove an object
* \param thing is the object to delete
* \param count is the new count value
*/
virtual void removeThing(Thing* thing, uint32_t count) = 0;
/**
* Is sent after an operation (move/add) to update internal values
* \param thing is the object that has been added
* \param index is the objects new index value
* \param link holds the relation the object has to the cylinder
*/
virtual void postAddNotification(Thing* thing, const Cylinder* oldParent, int32_t index, cylinderlink_t link = LINK_OWNER) = 0;
/**
* Is sent after an operation (move/remove) to update internal values
* \param thing is the object that has been removed
* \param index is the previous index of the removed object
* \param link holds the relation the object has to the cylinder
*/
virtual void postRemoveNotification(Thing* thing, const Cylinder* newParent, int32_t index, cylinderlink_t link = LINK_OWNER) = 0;
/**
* Gets the index of an object
* \param thing the object to get the index value from
* \returns the index of the object, returns -1 if not found
*/
virtual int32_t getThingIndex(const Thing* thing) const;
/**
* Returns the first index
* \returns the first index, if not implemented 0 is returned
*/
virtual size_t getFirstIndex() const;
/**
* Returns the last index
* \returns the last index, if not implemented 0 is returned
*/
virtual size_t getLastIndex() const;
/**
* Gets the object based on index
* \returns the object, returns nullptr if not found
*/
virtual Thing* getThing(size_t index) const;
/**
* Get the amount of items of a certain type
* \param itemId is the item type to the get the count of
* \param subType is the extra type an item can have such as charges/fluidtype, -1 means not used
* \returns the amount of items of the asked item type
*/
virtual uint32_t getItemTypeCount(uint16_t itemId, int32_t subType = -1) const;
/**
* Get the amount of items of a all types
* \param countMap a map to put the itemID:count mapping in
* \returns a map mapping item id to count (same as first argument)
*/
virtual std::map<uint32_t, uint32_t>& getAllItemTypeCount(std::map<uint32_t, uint32_t>& countMap) const;
/**
* Adds an object to the cylinder without sending to the client(s)
* \param thing is the object to add
*/
virtual void internalAddThing(Thing* thing);
/**
* Adds an object to the cylinder without sending to the client(s)
* \param thing is the object to add
* \param index points to the destination index (inventory slot/container position)
*/
virtual void internalAddThing(uint32_t index, Thing* thing);
virtual void startDecaying();
};
class VirtualCylinder final : public Cylinder
{
public:
static VirtualCylinder* virtualCylinder;
virtual ReturnValue queryAdd(int32_t, const Thing&, uint32_t, uint32_t, Creature* = nullptr) const override {
return RETURNVALUE_NOTPOSSIBLE;
}
virtual ReturnValue queryMaxCount(int32_t, const Thing&, uint32_t, uint32_t&, uint32_t) const override {
return RETURNVALUE_NOTPOSSIBLE;
}
virtual ReturnValue queryRemove(const Thing&, uint32_t, uint32_t) const override {
return RETURNVALUE_NOTPOSSIBLE;
}
virtual Cylinder* queryDestination(int32_t&, const Thing&, Item**, uint32_t&) override {
return nullptr;
}
virtual void addThing(Thing*) override {}
virtual void addThing(int32_t, Thing*) override {}
virtual void updateThing(Thing*, uint16_t, uint32_t) override {}
virtual void replaceThing(uint32_t, Thing*) override {}
virtual void removeThing(Thing*, uint32_t) override {}
virtual void postAddNotification(Thing*, const Cylinder*, int32_t, cylinderlink_t = LINK_OWNER) override {}
virtual void postRemoveNotification(Thing*, const Cylinder*, int32_t, cylinderlink_t = LINK_OWNER) override {}
bool isPushable() const override {
return false;
}
int32_t getThrowRange() const override {
return 1;
}
std::string getDescription(int32_t) const override {
return {};
}
bool isRemoved() const override {
return false;
}
};
#endif